Q-2 Solve the following sums. (12)
1. The mean of 26,28,25,x,24 is 27find the value of x.
2. Find median of data:
3,11,7,2,5,9,9,2,10,15,7.
3. A cricketer scores the following runs in eight innings: 58,76,40,35,46,45,0,100 find
the mean score.
4. Find the mode and median of the data:
13,16,12,14,19,12,14,13,14.
5. There are 6 marbles in a box with numbers from 1 to 6 marked on each of them.
(i) What is probability of drawing a marble with number 3?
(ii) What is probability of drawing marble with number 5?
6. The mean of all factors of 10 is …………………
Answers
Answer:
Mean = Sum of observations / no. of observations
(i) 26 + 28 + 25 + 24 = 27+x
103 = 27+x
103 -27 = x
76 = x
Answer:
Step-by-step explanation:
-2 Solve the following sums. (12)
1. The mean of 26,28,25,x,24 is 27find the value of x.
2. Find median of data:
3,11,7,2,5,9,9,2,10,15,7.
3. A cricketer scores the following runs in eight innings: 58,76,40,35,46,45,0,100 find
the mean score.
4. Find the mode and median of the data:
13,16,12,14,19,12,14,13,14.
5. There are 6 marbles in a box with numbers from 1 to 6 marked on each of them.
(i) What is probability of drawing a marble with number 3?
(ii) What is probability of drawing marble with number 5?
6. The mean of all factors of 10 is …………………
Answer:
Step-by-step explanation: